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LCD driver with built-in RAM for 256-color STN-LCDs
Outline
LH15A1 is one of the industry鈥檚 most advanced wide-screen STN-LCD drivers for 256-color display. The industry鈥檚 first
subscreen display function makes it possible to display different images and data in a subscreen inside the main LCD screen. It
also has a built-in display RAM, a power supply circuit for LCD drive, and an LCD controller circuit, therefore contributing to
compact system design. Its partial display function* realizes low power consumption.
*Partial display function: A function that utilizes only part of the screen, thus reducing power consumption.
Main specifications
256-color display
Outputs
Segment: 384 outputs
Common: 82 outputs
Display RAM capacity: 83 968 bits
Built-in display RAM and power supply circuit
Partial display functions
Switchable display in black and white mode
Bus connection with 80-family/68-family MPU
Logic power supply voltage:
LCD driving voltage:
Booster:
Write system cycle:
Package:
1.7 to 3.3 V
5.0 to 15.0 V
2 to 5 times
140 ns
TCP
System configuration (Master/slave method)
LH15A1
Control Logic
Display data RAM
Segment driver
384/82
LCD driving voltage/
Booster circuit
Common driver
MPU
MPU
BUS
Color STN-LCD panel
128脳RGB脳164
dots
384/82
Segment driver
Display data RAM
Control logic
Common driver
LCD driving voltage/
Booster circuit
LH15A1
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in using any SHARP devices shown in
catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. Specifications are subject to
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change without notice for improvement. As of March, 2001.銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€
IC-033
1
